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murzikaleks [220]

2 years ago

15

What would a persons speed if they travelled 394 meters in 94 seconds?

1 answer:

VladimirAG [237]2 years ago

7 0

Distance = speed* time

distance = 394meters, time = 94 seconds

speed = distance/time
= 394/94
= 4.191 m/s

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Find the roots of the function g(x) = I4 – 22 – 12.

zepelin [54]

Answer:

-20

Step-by-step explanation:

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3 years ago

To prove that the triangles are similar by the SSS similarity theorem, which other sides or angles should be used?]

Margarita [4]

Answer: $\overline{MN}$ and $\overline{QR}$

Step-by-step explanation:

Given: In ΔMNO and ΔQRS

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That must be $\overline{MN}$ and $\overline{QR}$

such that $\frac{QR}{MN}=4$

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3 years ago

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Mrac [35]

Answer:

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3 years ago

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2.3+0.02(x+20)-4.8=-9<br><br> Solve for x

Naya [18.7K]

Answer:

$x=-345$

Step-by-step explanation:

$2.3+0.02\left(x+20\right)-4.8=-9$

$\mathrm{Multiply\:both\:sides\:by\:}100$

$2.3\cdot \:100+0.02\left(x+20\right)\cdot \:100-4.8\cdot \:100=-9\cdot \:100$

$230+2\left(x+20\right)-480=-900$

$\mathrm{Subtract\:}230-480\mathrm{\:from\:both\:sides}$

$230+2\left(x+20\right)-480-\left(230-480\right)=-900-\left(230-480\right)$

$2\left(x+20\right)=-650$

$\mathrm{Divide\:both\:sides\:by\:}2$

$\frac{2\left(x+20\right)}{2}=\frac{-650}{2}$

$x+20=-325$

$\mathrm{Subtract\:}20\mathrm{\:from\:both\:sides}$

$x+20-20=-325-20$

$\bold{x=-345}$

5 0

2 years ago

The measures of angle 1and angle 2 are 25% and 45% of the sum of the angle measures of the triangle. Find the value of x.

Svetradugi [14.3K]

25+ 45= 70
70% of 180 is 126
170-126=54

Hope that’s right! I don’t know if that’s the appropriate way to do it, but that’s how I would do it.

5 0

3 years ago